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Hamza, Tasnim; Chalkou, Konstantina; Pellegrini, Fabio; Kuhle, Jens; Benkert, Pascal; Lorscheider, Johannes; Zecca, Chiara; Iglesias-Urrutia, Cynthia P.; Manca, Andrea; Furukawa, Toshi A.; Cipriani, Andrea; Salanti, Georgia – Research Synthesis Methods, 2023
In network meta-analysis (NMA), we synthesize all relevant evidence about health outcomes with competing treatments. The evidence may come from randomized clinical trials (RCT) or non-randomized studies (NRS) as individual participant data (IPD) or as aggregate data (AD). We present a suite of Bayesian NMA and network meta-regression (NMR) models…
Descriptors: Meta Analysis, Regression (Statistics), Outcomes of Treatment, Research Methodology
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Papakonstantinou, Theodoros; Nikolakopoulou, Adriani; Egger, Matthias; Salanti, Georgia – Research Synthesis Methods, 2021
Meta-analysis results are usually presented in forest plots, which show the individual study results and the summary effect along with their confidence intervals. In this paper, we propose a system of linear springs as a mechanical analogue of meta-analysis that enables visualization and enhances intuition. The length of a spring corresponds to a…
Descriptors: Meta Analysis, Research Methodology, Visualization, Intuition
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Spineli, Loukia M.; Pandis, Nikolaos; Salanti, Georgia – Research Synthesis Methods, 2015
Objectives: The purpose of the study was to provide empirical evidence about the reporting of methodology to address missing outcome data and the acknowledgement of their impact in Cochrane systematic reviews in the mental health field. Methods: Systematic reviews published in the Cochrane Database of Systematic Reviews after January 1, 2009 by…
Descriptors: Mental Health, Literature Reviews, Data Analysis, Meta Analysis